CN104131453B - A kind of ultrasonic assistant COTTON FABRIC low temperature one-bath DSB pre-treating method - Google Patents
A kind of ultrasonic assistant COTTON FABRIC low temperature one-bath DSB pre-treating method Download PDFInfo
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- CN104131453B CN104131453B CN201410398629.6A CN201410398629A CN104131453B CN 104131453 B CN104131453 B CN 104131453B CN 201410398629 A CN201410398629 A CN 201410398629A CN 104131453 B CN104131453 B CN 104131453B
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Abstract
The invention discloses a kind of ultrasonic technology and be applied to the pre-treatment of COTTON FABRIC one-bath DSB method, relate to the applied technical field of ultrasonic wave in the pre-treatment of COTTON FABRIC one-bath DSB.COTTON FABRIC carries out one-bath DSB pre-treatment under ul-trasonic irradiation, and control ultrasonic power 50w, treatment temperature 70 DEG C, processing time 30min, the destarch rate of fabric is 96.7, and capillary effect is 10.3.The present invention not only COTTON FABRIC move back that to boil drift effective, and can energy-saving consumption, shorten the process time, reduce pre-treatment temperature, alternative traditional cotton fabric one-bath DSB pre-treatment process.
Description
Technical field
A kind of ultrasonic assistant COTTON FABRIC low temperature one-bath DSB pre-treating method, relates to the applied technical field of ultrasonic wave in the pre-treatment of COTTON FABRIC one-bath DSB.
Background technology
Traditional cotton fabric one-bath DSB pre-treatment process exists and has the problems, particularly temperature such as technological process is long, man-hour is many, temperature is high, many with water, blowdown is serious, and general chemistry moves back boiling and bleaching process and is difficult to be issued to good effect in the situation lower than 80 DEG C.At present, one-bath DSB method is carried out to method mainly microwave and the plasma method of physics optimization, the effect that these methods are used for pre-treatment is comparatively obvious, can shorten process time or reduce processing temperature, but the requirement of whole technique to equipment is higher, and security is low.And ultrasonic wave is in communication process, particle in elastic fluid produces and to swing and along direction of propagation transferring energy, thus produces mechanical effect, fuel factor and acoustic cavitation, can apply it to the aspects such as Pretreatment of textile, dyeing, Final finishing and washing processing.And ultrasonic equipment is economical and convenient comparatively, technological process is simple, and security is high, and environmental pollution is low, and action effect is good, can with most of COTTON FABRIC chemistry and bio-pretreatment method synergy, reach better effect.Its contract quotation of Zhao has led COTTON FABRIC ultrasonic applications in COTTON FABRIC enzyme oxygen one-bath DSB method, activity and the diffusion rate of enzyme molecule can be accelerated, thus improve COTTON FABRIC one-bath DSB method efficiency, but its action effect is not remarkable relative to conventional enzyme oxygen one-bath DSB method.We have studied and carry out preliminary treatment with ultrasonic wave before COTTON FABRIC one-bath DSB method, effectively can shorten to move back and boil the drift time, improve to move back and boil drift effect, but can not reduce to move back boils drift temperature.
The present invention by ultrasonic applications in the pre-treatment of COTTON FABRIC alkali oxygen one-bath DSB method, can not only can reach the action effect of conventional single bath process long period in the short period of time, and obviously can reduce treatment temperature, play and save time, improve working (machining) efficiency, effect of economize energy.
Summary of the invention
The object of inventing herein is to provide a kind of ultrasonic assistant COTTON FABRIC low temperature one-bath DSB method, solves the drawback that current COTTON FABRIC chemistry pre-treatment energy consumption is high, man-hour is long, processing temperature is high.
Technical scheme of the present invention: COTTON FABRIC is carried out moving back when boiling drift, uses supersonic generator (ultrasonic probe) combined optimization simultaneously.Be placed in a constant temperature water bath by being placed with COTTON FABRIC and moving back the container boiling drift treatment fluid, above container, install a ultrasonic probe, ultrasonic probe connects ultrasonic generator controller, is undertaken moving back boiling drift by the technique of setting.Move back and boil after drift terminates, take out fabric and first clean three times with hot water, rear cold water fully rinses, then COTTON FABRIC is dried.Measure moving back of COTTON FABRIC and boil drift effect.
Weight-loss ratio: get the cloth specimen of having dried, precise dry weight, calculates weight-loss ratio.
Whiteness: use whiteness instrument test whiteness, fabric is converted into four layers, measures after instrument is ready to, measure four differences of one piece of fabric, get their mean value, parallel testing deviation is less than 0.21%.
Capillary effect: glass bar heavy for about 3g is fixed (make fabric not floating) at fabric lower end safety pin, a baseline vertical with warp thread is drawn in fabric lower end with pen, the other end of fabric is fixed on the cloth clamp of capillary effect tester, the amount of adjustment cloth clamp gripping fabric, makes baseline overlap with the zero point of rod reading.Be added to waterline in the sink, slowly decline cross beam frame, and fabric baseline and rule zero are overlapped with waterline, starts timer (presetting the testing time is 30min) and start test, treat buzzer warning, measure the liquid lifting height of fabric at once.If liquid lifting height is uneven, should minimum point be measured and record (by centimetre in units of), the capillary effect value using the mean value of two fabric capillary effects as sample, parallel testing deviation is less than 0.95%.
TENSILE STRENGTH: the fabric imported electronic fabric strength tester after drying is tested its intensity, and result is the mean value of 2 parallel determinations, and parallel testing deviation is less than 4.55%.
Destarch rate: adopt perchloric acid method to measure fabric desizing rate.The dry weight w of accurate weighing fabric.Fabric is cut into the fritter of about 5mm × 5mm, puts into 200mL beaker, add the high chloro acid solution of about 30mL42%, stir, keep 30min under room temperature, starch is dissolved completely.Drip phenolphthalein indicator 2, NaOH to the solution adding 6mo1/L is while stirring pale pink, drips the acetic acid of 2mo1/L to pink color disappeared.Filter, filtrate is transferred to 250mL (V
1) volumetric flask in, with distilled water flushing fabric and suction filtration 2 times, flushing liquor is shifted in volumetric flask, with distilled water diluting to scale.Draw this solution 5mL (V
3) be placed in 50mL (V
2) in volumetric flask, add the acetic acid 25mL of 2mo1/L, the liquor kalii iodide 2mL of 10% KI 0.5mL, 0.05mo1/L, then with distilled water diluting to scale, place colour developing 5min at lucifuge place, make reference with blank solution, measure absorbance.The formula of starch concentration and absorbance is y=0.010lx-0.0039 (x represents starch concentration, and y represents corresponding absorbance).
Move back the composition boiling drift process bath:
Move back boiling and bleaching process:
Beneficial effect of the present invention: ultrasonic wave has obvious synergistic effect to the pre-treatment of COTTON FABRIC one-bath DSB, can realize having better destarch rate, weight-loss ratio and capillary effect than normal conon fabric one-bath DSB method in shorter time and lower temperature, and little to the damage of COTTON FABRIC.Boil in drift process moving back, ultrasonic cavitation effect and the peptizaiton that causes can make to produce between macromolecular complex to be separated, promote that the adhesion of slurry and fiber fluffs; And the emulsification that ultrasonic wave causes can make the slurry of removal be converted into collosol state by gel state, solubility property improves, and makes it have good destarch effect; Hyperacoustic cavitation can cause the effects such as disperse, emulsification, washing and depolymerization, the Fouling surfaces tension force sticked on fiber is reduced, therefore play cleaning action with pocket on each surface, cavitation makes dirt and grease be able to emulsification simultaneously, assists to remove grease and dirt.
Detailed description of the invention
Fabric: textile poplin cloth grey cloth (40s × 40s, 118 × 89)
Example 1: get about 2 grams pure cotton grey fabrics of drying, be weighed as 1.9956g.Place in 100mL beaker, add 60mL deionized water according to prescription, add 1.2000g NaOH respectively, 0.2410g scouring agent DLEO9,0.0620g30% hydrogen peroxide and 0.4220g hydrogen peroxide bleaching stabilizer Na
2siO
3, move back under 85 DEG C of water-baths and boil drift 60min, move back to boil in drift process and keep bath raio.Take out cotton, first use the washing 10min of about 90 DEG C, then use the warm water drip washing twice of 50 ~ 60 DEG C.The electric heating constant-temperature blowing drying box that cleaned cotton is placed in 100 DEG C is dried to constant weight.Weigh, measure capillary effect, whiteness, brute force and destarch rate
Take out about 2 grams pure cotton grey fabrics of drying, be weighed as 1.9851g.Place in 100mL beaker, add 60mL deionized water according to prescription, add 1.1900g NaOH respectively, 0.2410g scouring agent DLEO9,0.0600g30% hydrogen peroxide and 0.4220g hydrogen peroxide bleaching stabilizer Na
2siO
3, install ultrasonic probe, ultrasonic power 50w, frequency 45Hz, lower 70 DEG C of ultrasonication time every 4s interval 2s condition is moved back and is boiled drift 30min, moves back to boil in drift process to keep bath raio.Take out cotton, first use the washing 10min of about 90 DEG C, then use the warm water drip washing twice of 50 ~ 60 DEG C.The electric heating constant-temperature blowing drying box that cleaned cotton is placed in 100 DEG C is dried to constant weight.Weigh, measure capillary effect, whiteness, brute force and destarch rate (the results are shown in Table 1).
Example 2: take out about 2 grams pure cotton grey fabrics of drying, be weighed as 2.0351g.Place in 100mL beaker, add 60mL deionized water according to prescription, add 1.2000g NaOH respectively, 0.2400g scouring agent DLEO9,0.0610g30% hydrogen peroxide and 0.4210g hydrogen peroxide bleaching stabilizer Na
2siO
3, move back under 85 DEG C of water-baths and boil drift 60min, move back to boil in drift process and keep bath raio.Take out cotton, first use the washing 10min of about 90 DEG C, then use the warm water drip washing twice of 50 ~ 60 DEG C.The electric heating constant-temperature blowing drying box that cleaned cotton is placed in 100 DEG C is dried to constant weight.Weigh, measure capillary effect, whiteness, brute force and destarch rate
Take out about 2 grams pure cotton grey fabrics of drying, be weighed as 2.0026g.Place in 100mL beaker, add 60mL deionized water according to prescription, add 1.2100g NaOH respectively, 0.2420g scouring agent DLEO9,0.0610g30% hydrogen peroxide and 0.4210g hydrogen peroxide bleaching stabilizer Na
2siO
3, install ultrasonic probe, ultrasonic power 50w, frequency 45Hz, lower 70 DEG C of ultrasonication time every 4s interval 2s condition is moved back and is boiled drift 30min, moves back to boil in drift process to keep bath raio.Take out cotton, first use the washing 10min of about 90 DEG C, then use the warm water drip washing twice of 50 ~ 60 DEG C.The electric heating constant-temperature blowing drying box that cleaned cotton is placed in 100 DEG C is dried to constant weight.Weigh, measure capillary effect, whiteness, brute force and destarch rate (the results are shown in Table 1).
Example 3: take out about 2 grams pure cotton grey fabrics of drying, be weighed as 2.1035g.Place in 100mL beaker, add 60ml deionized water according to prescription, add 1.2100g NaOH respectively, 0.2410g scouring agent DLEO9,0.0620g30% hydrogen peroxide and 0.4220g hydrogen peroxide bleaching stabilizer Na
2siO
3, move back under 85 DEG C of water-baths and boil drift 60min, move back to boil in drift process and keep bath raio.Take out cotton, first use the washing 10min of about 90 DEG C, then use the warm water drip washing twice of 50 ~ 60 DEG C.The electric heating constant-temperature blowing drying box that cleaned cotton is placed in 100 DEG C is dried to constant weight.Weigh, measure capillary effect, whiteness, brute force and destarch rate
Take out about 2 grams pure cotton grey fabrics of drying, be weighed as 2.0721g.Place in 100mL beaker, add 60mL deionized water according to prescription, add 1.2000g NaOH respectively, 0.2410g scouring agent DLEO9,0.0620g30% hydrogen peroxide and 0.4220g hydrogen peroxide bleaching stabilizer Na
2siO
3, install ultrasonic probe, ultrasonic power 50w, frequency 45Hz, lower 70 DEG C of ultrasonication time every 4s interval 2s condition is moved back and is boiled drift 30min, moves back to boil in drift process to keep bath raio.Take out cotton, first use the washing 10min of about 90 DEG C, then use the warm water drip washing twice of 50 ~ 60 DEG C.The electric heating constant-temperature blowing drying box that cleaned cotton is placed in 100 DEG C is dried to constant weight.Weigh, measure capillary effect, whiteness, brute force and destarch rate (the results are shown in Table 1).
Example 4: take out about 2 grams pure cotton grey fabrics of drying, be weighed as 1.9751g.Place in 100mL beaker, add 60mL deionized water according to prescription, add 1.1900g NaOH respectively, 0.2390g scouring agent DLEO9,0.0600g30% hydrogen peroxide and 0.4200g hydrogen peroxide bleaching stabilizer Na
2siO
3, move back under 85 DEG C of water-baths and boil drift 60min, move back to boil in drift process and keep bath raio.Take out cotton, first use the washing 10min of about 90 DEG C, then use the warm water drip washing twice of 50 ~ 60 DEG C.The electric heating constant-temperature blowing drying box that cleaned cotton is placed in 100 DEG C is dried to constant weight.Weigh, measure capillary effect, whiteness, brute force and destarch rate
Take out about 2 grams pure cotton grey fabrics of drying, be weighed as 1.9822g.Place in 100mL beaker, add 60mL deionized water according to prescription, add 1.1900g NaOH respectively, 0.2390g scouring agent DLEO9,0.0600g30% hydrogen peroxide and 0.4190g hydrogen peroxide bleaching stabilizer Na
2siO
3, install ultrasonic probe, ultrasonic power 50w, frequency 45Hz, lower 70 DEG C of ultrasonication time every 4s interval 2s condition is moved back and is boiled drift 30min, moves back to boil in drift process to keep bath raio.Take out cotton, first use the washing 10min of about 90 DEG C, then use the warm water drip washing twice of 50 ~ 60 DEG C.The electric heating constant-temperature blowing drying box that cleaned cotton is placed in 100 DEG C is dried to constant weight.Weigh, measure capillary effect, whiteness, brute force and destarch rate (the results are shown in Table 1).
Table 1 routine move back boil drift and ultrasonic moving back boil drift effectiveness comparison
Claims (2)
1. a ultrasonic assistant COTTON FABRIC low temperature one-bath DSB pre-treating method, is characterized in that, by ultrasonic unit, under the ul-trasonic irradiation condition preset, carries out COTTON FABRIC one-bath DSB pre-treatment 30min under 70 DEG C of warm conditions of bath; Wherein, described ultrasonic unit comprises supersonic generator and ultrasonic wave controller, described supersonic generator is connected with described ultrasonic wave controller, and the top of COTTON FABRIC being housed and moving back the container boiling drift treatment fluid is located at by described supersonic generator, and described container is located in constant temperature water bath; Described ul-trasonic irradiation condition is: ultrasonic power is 50w, and frequency is 45kHz, ultrasonication every 4 seconds intermittently 2 seconds.
2. a kind of ultrasonic assistant COTTON FABRIC low temperature one-bath DSB pre-treating method as claimed in claim 1, is characterized by: the destarch rate of COTTON FABRIC is greater than 96%, and capillary effect is greater than 10cm, and whiteness is greater than 93%.
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| CN110923885A (en) * | 2019-11-29 | 2020-03-27 | 南通天虹银海实业有限公司 | Preparation method of functional traditional Chinese medicine health-care core-spun yarn based on biological extraction |
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| CN102852008B (en) * | 2012-09-06 | 2014-05-21 | 青岛大学 | Method for improving cationic paint dyeing uniformity by using ultrasonic waves |
| CN103774411A (en) * | 2014-02-14 | 2014-05-07 | 江南大学 | Method of pre-treatment of desizing, scouring and bleaching in one-bath process for cotton fabric by ultrasonic pre-treatment |
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